<template>
  <div class="container" :class="flag?'sign-up-mode':''">
      <div class="forms-container">
        <div class="signin-signup">
          <div class="sign-in-form">
            <h2 class="title">登录</h2>
            <div class="input-field">
              <i class="fas fa-user"></i>
              <input ref="login_username" type="text" placeholder="用户名" v-model="form.username"/>
            </div>


            <div class="input-field">
              <i class="fas fa-lock"></i>
              <input ref="login_password" type="password" placeholder="密码" v-model="form.password"/>
            </div>
            <div style="display:flex;justify-content: space-around;align-items: center; max-width: 340px;width: 380px; height: auto;margin: 10px 0;" >
              <div style="height: 39px; " class="captchaCode" v-html = "captchaCode" @click="updateCaptcha">
              </div>
               <input style="margin: 0;padding: 0 20px; height: 39px; ; border: 0;border-radius: 10px; outline: none;" type="password" class="input-field" ref="login_captcha" placeholder="请输入验证码" v-model="form.captcha"/>
            </div>
            <input type="submit" value="登 录" class="btn solid" @click="verificate('login')"/>
            <p class="social-text">或者通过以下平台登录</p>
            <div class="social-media">
              <a href="#" class="social-icon">
                <i class="fab fa-weixin"></i>
              </a>
              <a href="#" class="social-icon">
                <i class="fab fa-qq"></i>
              </a>
              <a href="#" class="social-icon">
                <i class="fab fa-alipay"></i>
              </a>
              <a href="#" class="social-icon">
                <i class="fab fa-github"></i>
              </a>
            </div>
          </div>
          <div action="#" class="sign-up-form">
            <h2 class="title">注册</h2>
            <div class="input-field">
              <i class="fas fa-user"></i>
              <input type="text" placeholder="用户名" />
            </div>
            <div class="input-field">
              <i class="fas fa-envelope"></i>
              <input type="email" placeholder="邮箱" />
            </div>
            <div class="input-field">
              <i class="fas fa-lock"></i>
              <input type="password" placeholder="密码" />
            </div>
            <input type="submit" class="btn" value="注 册" />
            <p class="social-text">或者通过以下平台注册</p>
            <div class="social-media">
              <a href="#" class="social-icon">
                <i class="fab fa-weixin"></i>
              </a>
              <a href="#" class="social-icon">
                <i class="fab fa-qq"></i>
              </a>
              <a href="#" class="social-icon">
                <i class="fab fa-alipay"></i>
              </a>
              <a href="#" class="social-icon">
                <i class="fab fa-github"></i>
              </a>
            </div>
          </div>
        </div>
      </div>

      <div class="panels-container">
        <div class="panel left-panel">
          <div class="content">
            <h3>新用户?</h3>
            <p>
              好兄弟,你来了,我们的网站就差你的加入了,点击下方注册按钮加入我们吧!!

            </p>
            <button class="btn transparent" id="sign-up-btn" @click = "flag = true">
              注册
            </button>
          </div>
          <img src="img/log.svg" class="image" alt="" />
        </div>
        <div class="panel right-panel">
          <div class="content">
            <h3>已经是我们自己人了吗?</h3>
            <p>
                那好兄弟,你直接点击登录按钮,登录到我们这优秀的系统里!!
            </p>
            <button class="btn transparent"  id="sign-in-btn" @click="flag = false">
              登 录
            </button>
          </div>
          <img src="img/register.svg" class="image" alt="" />
        </div>
      </div>
    </div>
</template>

<script lang="ts">
import { defineComponent,ref,reactive,toRefs,toRef,onMounted,getCurrentInstance} from 'vue'
import {useRouter} from 'vue-router'
import { ElConfigProvider  } from 'element-plus'
import {captchaApi} from '../request/user'
import { useStore } from '../store'
export default defineComponent({
  name: 'Home',
  components:{ElConfigProvider },
  setup(props,context){
    const router= useRouter()
    const store = useStore()
    const reactiveData:any = reactive({form:{
      username:'',
      password:'',
      captcha:'',
      captcha_token:''
    }})

    const captchaCode = ref('')
    const captchaText = ref('')
    const captchaToken = ref('')
    const flag = ref(false)

    // 获取验证码
    const captchaFun = async ()=>{
      const res = await captchaApi()
      if(res.data.msg == "success"){
        captchaCode.value = res.data.data.code
        captchaText.value = res.data.data.text
        captchaToken.value = res.data.data.token
      }
    }
    onMounted(() => {
      captchaFun()
    })

    // 点击更新验证码
    const updateCaptcha = () =>{
      captchaFun()
    }


    const login_username = ref(null)
    const login_password = ref(null)
    const login_captcha = ref(null)

    // 登录&注册验证
    const verificate = (type:string)=>{
      if(type == "login"){
        if(reactiveData.form.username.trim() == ''){
          ElMessage({
            message: '请输入用户名',
            type: 'warning',
          })
          login_username.value && (login_username.value as any).focus();
          return
        }
        if(reactiveData.form.username.trim().length < 4 || reactiveData.form.username.trim().length > 20){
          ElMessage({
            message: '用户名长度在4-20以内',
            type: 'warning',
          })
          login_username.value && (login_username.value as any).focus()
          return
        }
        if(reactiveData.form.password.trim() == ''){
          ElMessage({
            message: '请输入密码',
            type: 'warning',
          })
          login_username.value && (login_password.value as any).focus();
          return
        }
        if(reactiveData.form.captcha.trim() == ''){
          ElMessage({
            message: '请输入验证码',
            type: 'warning',
          })
          login_username.value && (login_captcha.value as any).focus();
          return
        }
        if(reactiveData.form.captcha.trim()!= captchaText.value){
          ElMessage({
            message: '验证码不正确',
            type: 'warning',
          })
          login_username.value && (login_captcha.value as any).focus();
          return
        }
        postSent()
      }
    }

    const toIndex = ()=>{
      router.push('/index')
    }

    // 发送登录请求
    const postSent = async () =>{
      const postData = {
        ...reactiveData.form
      }
      postData.captcha_token = captchaToken.value
      store.dispatch('userModule/login',postData).then(()=>{
        ElMessage({
              message: '登录成功',
              type: 'success',
        })
        store.dispatch('userModule/getMenuTree',toIndex)
        // router.push('/index')
      }).catch(e=>{
        ElMessage({
              message: `登录失败，失败原因:${e.message}`,
              type: 'error',
        })
      })
    }


    return {...toRefs(reactiveData),captchaCode,captchaText,captchaToken,flag,verificate,login_username,login_password,login_captcha,postSent,updateCaptcha}
  }
})
</script>

<style scoped lang="stylus">

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body,
input {
  font-family: "Poppins", sans-serif;
}

.container {
  position: relative;
  width: 100%;
  background-color: #fff;
  min-height: 100vh;
  overflow: hidden;
}

.forms-container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.signin-signup {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  left: 75%;
  width: 50%;
  transition: 1s 0.7s ease-in-out;
  display: grid;
  grid-template-columns: 1fr;
  z-index: 5;
}

div.sign-up-form,div.sign-in-form {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0rem 5rem;
  transition: all 0.2s 0.7s;
  overflow: hidden;
  grid-column: 1 / 2;
  grid-row: 1 / 2;
}

div.sign-up-form {
  opacity: 0;
  z-index: 1;
}

div.sign-in-form {
  z-index: 2;
}

.title {
  font-size: 2.2rem;
  color: #444;
  margin-bottom: 10px;
}

.input-field {
  max-width: 380px;
  width: 100%;
  background-color: #f0f0f0;
  margin: 10px 0;
  height: 55px;
  border-radius: 10px;
  display: grid;
  grid-template-columns: 15% 85%;
  padding: 0 0.4rem;
  position: relative;
}

.input-field i {
  text-align: center;
  line-height: 55px;
  color: #acacac;
  transition: 0.5s;
  font-size: 1.1rem;
}

.input-field input {
  background: none;
  outline: none;
  border: none;
  line-height: 1;
  font-weight: 600;
  font-size: 1.1rem;
  color: #333;
}

.input-field input::placeholder {
  color: #aaa;
  font-weight: 500;
}

.social-text {
  padding: 0.7rem 0;
  font-size: 1rem;
}

.social-media {
  display: flex;
  justify-content: center;
}

.social-icon {
  height: 46px;
  width: 46px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 0.45rem;
  color: #333;
  border-radius: 50%;
  border: 1px solid #333;
  text-decoration: none;
  font-size: 1.1rem;
  transition: 0.3s;
}

.social-icon:hover {
  color: #4481eb;
  border-color: #4481eb;
}

.btn {
  width: 150px;
  background-color: #5995fd;
  border: none;
  outline: none;
  height: 49px;
  border-radius: 49px;
  color: #fff;
  text-transform: uppercase;
  font-weight: 600;
  margin: 10px 0;
  cursor: pointer;
  transition: 0.5s;
}

.btn:hover {
  background-color: #4d84e2;
}
.panels-container {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.container:before {
  content: "";
  position: absolute;
  height: 2000px;
  width: 2000px;
  top: -10%;
  right: 48%;
  transform: translateY(-50%);
  background-image: linear-gradient(-45deg, #4481eb 0%, #04befe 100%);
  transition: 1.8s ease-in-out;
  border-radius: 50%;
  z-index: 6;
}

.image {
  width: 100%;
  transition: transform 1.1s ease-in-out;
  transition-delay: 0.4s;
}

.panel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-around;
  text-align: center;
  z-index: 6;
}

.left-panel {
  pointer-events: all;
  padding: 3rem 17% 2rem 12%;
}

.right-panel {
  pointer-events: none;
  padding: 3rem 12% 2rem 17%;
}

.panel .content {
  color: #fff;
  transition: transform 0.9s ease-in-out;
  transition-delay: 0.6s;
}

.panel h3 {
  font-weight: 600;
  line-height: 1;
  font-size: 1.5rem;
}

.panel p {
  font-size: 0.95rem;
  padding: 0.7rem 0;
}

.btn.transparent {
  margin: 0;
  background: none;
  border: 2px solid #fff;
  width: 130px;
  height: 41px;
  font-weight: 600;
  font-size: 0.8rem;
}

.right-panel .image,
.right-panel .content {
  transform: translateX(800px);
}

/* ANIMATION */

.container.sign-up-mode:before {
  transform: translate(100%, -50%);
  right: 52%;
}

.container.sign-up-mode .left-panel .image,
.container.sign-up-mode .left-panel .content {
  transform: translateX(-800px);
}

.container.sign-up-mode .signin-signup {
  left: 25%;
}

.container.sign-up-mode form.sign-up-form {
  opacity: 1;
  z-index: 2;
}

.container.sign-up-mode form.sign-in-form {
  opacity: 0;
  z-index: 1;
}

.container.sign-up-mode .right-panel .image,
.container.sign-up-mode .right-panel .content {
  transform: translateX(0%);
}

.container.sign-up-mode .left-panel {
  pointer-events: none;
}

.container.sign-up-mode .right-panel {
  pointer-events: all;
}

@media (max-width: 870px) {
  .container {
    min-height: 800px;
    height: 100vh;
  }
  .signin-signup {
    width: 100%;
    top: 95%;
    transform: translate(-50%, -100%);
    transition: 1s 0.8s ease-in-out;
  }

  .signin-signup,
  .container.sign-up-mode .signin-signup {
    left: 50%;
  }

  .panels-container {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 2fr 1fr;
  }

  .panel {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    padding: 2.5rem 8%;
    grid-column: 1 / 2;
  }

  .right-panel {
    grid-row: 3 / 4;
  }

  .left-panel {
    grid-row: 1 / 2;
  }

  .image {
    width: 200px;
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.6s;
  }

  .panel .content {
    padding-right: 15%;
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.8s;
  }

  .panel h3 {
    font-size: 1.2rem;
  }

  .panel p {
    font-size: 0.7rem;
    padding: 0.5rem 0;
  }

  .btn.transparent {
    width: 110px;
    height: 35px;
    font-size: 0.7rem;
  }

  .container:before {
    width: 1500px;
    height: 1500px;
    transform: translateX(-50%);
    left: 30%;
    bottom: 68%;
    right: initial;
    top: initial;
    transition: 2s ease-in-out;
  }

  .container.sign-up-mode:before {
    transform: translate(-50%, 100%);
    bottom: 32%;
    right: initial;
  }

  .container.sign-up-mode .left-panel .image,
  .container.sign-up-mode .left-panel .content {
    transform: translateY(-300px);
  }

  .container.sign-up-mode .right-panel .image,
  .container.sign-up-mode .right-panel .content {
    transform: translateY(0px);
  }

  .right-panel .image,
  .right-panel .content {
    transform: translateY(300px);
  }

  .container.sign-up-mode .signin-signup {
    top: 5%;
    transform: translate(-50%, 0);
  }
}

@media (max-width: 570px) {
  form {
    padding: 0 1.5rem;
  }

  .image {
    display: none;
  }
  .panel .content {
    padding: 0.5rem 1rem;
  }
  .container {
    padding: 1.5rem;
  }

  .container:before {
    bottom: 72%;
    left: 50%;
  }

  .container.sign-up-mode:before {
    bottom: 28%;
    left: 50%;
  }
}

</style>
